The Permanent Portfolio was proposed by Harry Browne in the book Fail Safe Investing. An excellent modern guide is The Permanent Portfolio: Harry Browne’s Long-Term Investment Strategy by Craig Rowland and J. M. Lawson.
Asset Allocation
- 25% Total Stock Market
- 25% Long Term Bonds
- 25% Cash
- 25% Gold
Performance
Change the home country to translate the portfolio to local assets, currency, and inflation